77 results
Microorganisms Responsible for Infective Endocarditis

Native valves:
 - Streptococcus viridans 
 - Enterococci 
 - Other streptococci
epidermidis - Gram-negative ... ) - Culture negative ... Enterococci - Gram-negative ... Pathogens #Diagnosis #Differential ... #InfectiousDiseases
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
- Differential ... • Normal or negative ... pg/ml EKG: • Negative ... #NCPE #differential ... #diagnosis #cardiology
Causes of blood culture negative infective endocarditis

Bartonella spp, Brucella spp, Coxiella burnetii, Chlamydia spp, Tropheryma whipplei,
blood culture negative ... BCNIE #Causes #differential ... causes #culture #negative ... #Endocarditis #InfectiousDiseases ... #CNIE #BCNIE #cardiology
Peripheral Edema - Differential Diagnosis Framework - Unilateral vs Bilateral

The left iliac vein has to cross
Peripheral Edema ... - Differential ... is subject to relative ... #Peripheral #Edema ... #Differential #
Causes of Relative Bradycardia - Note the propensity for intracellular organisms.
Infectious: 
Legionella, Psittacosis, Q fever, Typhoid
Causes of Relative ... Drug fever #relative ... bradycardia #Causes #differential ... #diagnosis #infectiousdiseases
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Staphylococci (skin), Gram-negative ... Staphylococci (skin), Gram-negative ... Infections #Timeline #differential ... diagnosis #causes #infectiousdiseases
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture Negative ... Abscess - Differential ... as a cause of a negative ... #Abscess #Differential ... #Diagnosis #InfectiousDiseases
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
called cardiogenic edema ... , to differentiate ... non-cardiogenic edema ... #Diagnosis #Radiology ... Consolidation #Differential
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Acute Pulmonary Edema ... Pulmonary #Diseases #Radiology ... XRay #ChestCT #Differential
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
cardiogenic pulmonary edema ... #Diagnosis #Radiology ... HRCT #ChestCT #Differential